The Kyostar High Flow Inlet 3" 76mm Cold Air Intake Cone Replacement Dry Air Filter is a durable and efficient air filter designed for motorcycles and scooters. Made of aluminum and non-woven fabric, this filter has a bottom diameter of approximately 127mm and a top diameter of 76mm. It is suitable for all air intake pipes with a 76mm diameter, providing a universal fitment option. With a manufacturer warranty of 1 year and easy installation features, this air filter ensures optimal performance and longevity for your vehicle.